3965956 has 24 divisors (see below), whose sum is σ = 7218176. Its totient is φ = 1905120.

The previous prime is 3965939. The next prime is 3965963. The reversal of 3965956 is 6595693.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18691 + ... + 18901.

Almost surely, 2^3965956 is an apocalyptic number.

It is an amenable number.

3965956 is a deficient number, since it is larger than the sum of its proper divisors (3252220).

3965956 is a wasteful number, since it uses less digits than its factorization.

3965956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its digits is 218700, while the sum is 43.

The square root of 3965956 is about 1991.4708132433. The cubic root of 3965956 is about 158.2884758121.

The spelling of 3965956 in words is "three million, nine hundred sixty-five thousand, nine hundred fifty-six".